145483777 has 4 divisors (see below), whose sum is σ = 145522480. Its totient is φ = 145445076.

The previous prime is 145483729. The next prime is 145483799. The reversal of 145483777 is 777384541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145483777 - 2²³ = 137095169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145489777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13023 + ... + 21460.

It is an arithmetic number, because the mean of its divisors is an integer number (36380620).

Almost surely, 2^145483777 is an apocalyptic number.

It is an amenable number.

145483777 is a deficient number, since it is larger than the sum of its proper divisors (38703).

145483777 is an equidigital number, since it uses as much as digits as its factorization.

145483777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38702.

The product of its digits is 658560, while the sum is 46.

The square root of 145483777 is about 12061.6655980839. The cubic root of 145483777 is about 525.9424064802.

The spelling of 145483777 in words is "one hundred forty-five million, four hundred eighty-three thousand, seven hundred seventy-seven".